Home / 143,739.08-215,650.25-59,483.69

Finding the Fourth Proportional to 143,739.08, 215,650.25 and 59,483.69

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Solution

The fourth proportional to 143,739.08, 215,650.25 and 59,483.69 is: 89,242.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,739.08 : 215,650.25 = 59,483.69 : x
  2. Step 2: Convert to fraction form
    143,739.08/215,650.25 = 59,483.69/x
  3. Step 3: Cross multiply
    143,739.08x = 215,650.25 × 59,483.69
  4. Step 4: Simplify right side
    143,739.08x = 12,827,671,243.75
  5. Step 5: Solve for x
    x = 12,827,671,243.75/143,739.08
  6. Step 6: Final answer
    x = 89,242.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.